Rugged anodizing quality extruded 6063 T6 aluminum with machined aluminum billet end caps secured with stainless steel fasteners. Advance constant current electronic drivers multi voltage meets UL 1310 / UL48 Class 2 with a built-in over-temperature protection. Input voltage from 100-277. 347 and 480 volt is available (VAC 50-60Hz) Certified and tested to the North American UL 8750 Standard for wet location.